wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Probability Practice - 7th Grade Math

Total questions: 52

Worksheet time: 2hrs 44mins

Name
Class
Date
1.

Which of the following numbers are you most likely to spin?

a)

1

b)

2

c)

3

d)

6

2.

Which number are you most likely to spin?

a)

1

b)

2

c)

3

d)

4

e)

Equal chance for all numbers

3.

If the spinner is spun one time, how many possible outcomes are there?

a)

1

b)

2

c)

8

d)

64

4.

If spinning an EVEN number is a favorable outcome, how many favorable outcomes are there using this spinner?

a)

1

b)

2

c)

4

d)

8

5.

A basketball team wins the game about 2/3 of the time. What is the likelihood it will its next game?

a)

No chance

b)

Unlikely

c)

50/50

d)

Likely

6.

The TV weather person said there was a 0% chance of snow tomorrow. What best describes the likelihood it will snow?

a)

No chance

b)

Likely

c)

50/50

d)

Certain

7.

What is meant by a probability of 1?

a)

Impossible

b)

Likely

c)

50/50

d)

Certain

8.

If the spinner is spun one time, what is the likelihood it will be at least 5?

a)

No chance

b)

Unlikely

c)

50/50

d)

Likely

9.

Based on the results of the favorite color survey, what is the experimental probability of choosing BLUE?

a)

1240\frac{12}{40}

b)

1220\frac{12}{20}

c)

12

d)

40

10.

Based on the results of the favorite color survey, what is the experimental probability of choosing BLUE or GREEN?

a)

12/40

b)

14/40

c)

20/40

d)

40/40

11.

Based on the results of the favorite color survey, what is the experimental probability of choosing ORANGE?

a)

0

b)

20/40

c)

12/40

d)

1

12.

Based on the results of one spin, what is the probability of spinning an even number?

a)

0%

b)

40%

c)

50%

d)

60%

13.

Based on the results of one spin, what is the probability of spinning a number greater than 8?

a)

0%

b)

20%

c)

30%

d)

50%

14.

What is P(5)?

a)

0

b)

1/6

c)

5/6

d)

1

15.

What is P(even number)?

a)

0

b)

2/6

c)

3/6

d)

4/6

16.

What is P(less than 7)?

a)

0

b)

1/6

c)

3/6

d)

1

17.

How many possible outcomes are there when rolling two dice?

a)

6

b)

12

c)

36

d)

72

18.

How many possible options are there for fitness trackers?

a)

9

b)

18

c)

20

d)

24

19.

How many possible outfit combinations are there based on the picture?

a)

16

b)

36

c)

40

d)

128

20.

Answer the question based on rolling two dice.

What is P(12)?

a)

1/36

b)

2/36

c)

1/6

d)

2/6

21.

The probability of rolling a five and flipping a heads is ____.

a)

1/12

b)

2/12

c)

5/12

d)

6/12

22.
The chance that an event will happen.  A ratio of chance/all chances.
a)
odds
b)
probability
c)
outcomes
d)
tree diagram
23.
Possible results of an event
a)
outcomes
b)
compound event
c)
simple event
d)
probability
24.
A diagram used to show the total number of possible outcomes in a probability event
a)
mutually exclusive event
b)
outcomes
c)
tree diagram
d)
odds
25.
2 or more simple events
a)
theoretical probability
b)
outcomes
c)
simple event
d)
compound event
26.
A number from 0 to 1 that measures the likelihood that an event will occur
a)
outcomes
b)
event
c)
probability
d)
experiment
27.

A collection of outcomes

a)

Trial

b)

Sample

c)

Fair

d)

Event

28.

The set of all possible outcomes

a)

Sample Space

b)

Event

c)

Trial

d)

Probability

29.

Probability that is based on repeated trials of an experiment

a)

probability

b)

experimental probability

c)

theoretical probability

d)

fundamental counting principle

30.
What is the probability of rolling an even number on a dice. The dice is numbered 1-6.
a)
3/6
b)
1/2
c)
1/6
d)
5/6
31.
What is the probability of getting any letter that is not A?
a)
6/8
b)
3/4
c)
2/8
d)
1/4
32.
If I flip a coin 10 times, how many times should I get heads?
a)
1
b)
10
c)
3
d)
5
33.

What is the probability you spin something larger than 10

a)

5

b)

3/10

c)

10/15

d)

3/8

34.

Find the probability of drawing a 10 from a standard deck of 52 cards.

a)

1 out of 52

b)

13 out of 52

c)

26 out of 52

d)

1 out of 13

35.
List the possible outcomes in the sample space for flipping a coin.  
a)
heads
b)
tails
c)
heads and tails
d)
1,2,3,4,5,6
36.
The tree diagram shows the outcomes of rolling a die and flipping a coin.  
How many total outcomes are there?  
a)
6
b)
12
c)
24
d)
36
37.

You have a 3 tops, 2 pants and 2 shoes. How many total outfit options are represented?

a)

12 outfits

b)

22 outfits

c)

3 outfits

d)

7 outfits

38.

What is the probability that you will get plain crust with ham on your pizza?

a)

1/8

b)

1/2

c)

1/10

d)

2/10

39.

What is the probability that you will get mushrooms on your pizza?

a)

2/10

b)

2

c)

2/5

40.

Which tree diagram has the most possible outcomes?

a)
b)
c)
41.
How many total outfit options are represented?
a)
12
b)
22
c)
3
42.

There are 4 jacks in a standard deck of 52 playing cards. If Peyton selects a card at random, what is the probability that it will be a jack?

a)

1/13

b)

1/52

c)

1/2

d)

12/13

43.

Complementary Events

a)

A game where there is not a chance of each player being equally likely to win

b)

The events of one outcome happening and that outcome not happening. The sum of the probabilities of an event and its complement is 1 or 100%.

c)

An event consisting of two or more simple events

d)

The ratio of the number of ways an event can occur to the number of possible outcomes. It based on what should happen when conducting a probability experiment

44.

Fair Game

a)

An experiment hat is designed to model the action in a given situation

b)

A game where each player has an equally likely chance of winning

c)

The chance that some event will happen. It is the ratio of the number of favorable outcomes to the number if possible outcomes

d)

An arrangement, or listing, of objects in which order is important

45.

Fundamental Counting principle

a)

Two or more events in which the outcome of one event affects the outcome of other events

b)

An estimated probability based on the relative frequency of positive outcomes during an experiment. It is based on what actually occurred during such an experiment

c)

Uses multiplication of the number of ways each events in an experiment can occur to find the number of possible outcomes in a sample space

d)

The events of one outcome happening and that outcome not happening. The sum of the probabilities of an event and its complement is 1 or 100%.

46.

Sample Space

a)

Uses multiplication of the number of ways each events in an experiment can occur to find the number of possible outcomes in a sample space

b)

The set of all possible outcomes of a probability experiment

c)

An arrangement, or listing, of objects in which order is important

d)

Any one of the possible results of an action. For example, 4 is an outcome when a number cube is rolled

47.

Theoretical Probability

a)

Two or more events in which the outcome of one event affects the outcome of other events

b)

Uses multiplication of the number of ways each events in an experiment can occur to find the number of possible outcomes in a sample space

c)

The ratio of the number of ways an event can occur to the number of possible outcomes. It based on what should happen when conducting a probability experiment

d)

An arrangement, or listing, of objects in which order is important

48.
Two marbles are randomly drawn from a bag containing 3 purple, 1 blue, and 1 yellow marble. The first marble is blue and is not replaced. Find the probability of drawing a second marble that is purple. 
a)
3/5
b)
3/4
c)
3/20
d)
2/5
49.

You flip two coins. What is the probability of getting two tails? 

a)
2/4
b)
1/4
c)
2/8
d)
1/3
50.
          A box contains the letters:
          I L O V E M A T H
You pull a letter at random. What is the probability the letter is an I or A? 
a)
1/9
b)
1/3
c)
2/9
d)
2/6
51.
Yaron has a box of pencils. 5 are green, 12 are brown, 6 are yellow, and 4 are blue. If he selects a pencil at random, which color pencil would he be least likely to select? 
a)
Green
b)
Yellow
c)
Brown
d)
Blue
52.
What is referred to as Sample Space?
a)
The set of all possible outcomes
b)
The numbers
c)
The outcomes I want